Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
06/04/2024, 00:31
General
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Target
2024-04-06_42fb798aa18c679050fa0c180549d3f2_cryptolocker.exe
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Size
62KB
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MD5
42fb798aa18c679050fa0c180549d3f2
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SHA1
e45df1b0f232cdc5bbcb951e32e7ac4684e84be1
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SHA256
43eb255b1fadb710f52cef59c1012c20c10af2c01c71690b546e3b0b8fb2b92f
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SHA512
107f785d56e3cdfcde3c1a729aebaeaf1b2fa13af30d5f028a5eb72aa0cc3465cd3be20d11c1afea01d2664b09d3523d1804bcadde778f043602616f0763b549
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5Siu:zj+soPSMOtEvwDpj4kpmeLmNu
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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UPX packed file 6 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-06_42fb798aa18c679050fa0c180549d3f2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-06_42fb798aa18c679050fa0c180549d3f2_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD5aee37d78b8a04a81927aa50f5553a835
SHA185215379f19db0019788247492880f60cac8c52b
SHA256c0a23e0ce685e45fc1ea7be986939288ce4536024e7e623aad2fbaad1207c4b6
SHA512bd42c69fac75125cdd0822fed1c0f1c2f3eb757b295eae054f98c3c8f13b5e5f9a0263fe8593cb303d62c5d50b75109573ec337857190c42e3d9a6676504f903
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB